Grain-car door.



i No. 713,476. Patented Nov. Il, |902.

J. MONTGOMERY.

GRAIN CAR DOOR.

(Application led Mar. 10, 1902.)

(No Model.) 2 Sheets-Sheet l.

WIT 'SSES INVENTOR /f// By j 7 pm Attorneys.

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nn. 7|3,476'. Patented nov. Il, |902.

J. MoNTGuMEnY.

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(Applicazion med um. 1o, 1902.) (No Model.) 2 Sheets-Sheet 2.'

WITN SSES INVENTOR f f Y By @wv/M, 77% Attorney/V8.'

UNITED STATES JOHN MONTGOMERY,

PATENT OFFICE.

OF SIMOOE, CANADA.

GRAIN-CAR DOOR.

SPEClFICATION forming part of Letters Patent No. 713,476, dated November11, 1902.

Application filed March 10, 1902. Serial No. 97.440. (No model.)

To al?, whom, it may concern,.-

Be it known that I, JOHN MONTGOMERY, a subject of the King of GreatBritain,residing at Simcoe, county of Norfolk, Province of Ontario,Canada, have invented a certain new and useful Improvementin GrailrOarDoors; and I declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it pertains to make and use the same, reference being hadto the accompanying drawings, which form a part of this specification.

Thisinvention relates to car-doors, and has for its object a car-dooradapted to close tightly the side opening of a freight-car and to beused for retaining in the car loads of material thrown into the carloosely, such as grain, coal, or stone.

The object of the invention is to producea door which will hold tightlyagainst the pressure of loads of such loose material, but which can beopened readily and easily notwithstanding such pressure and which can beshifted to aposition out ofthe way of those loading or unloading the carwhen it is desired to have the door-opening entirely7 free andunimpeded.

In the drawings, Figure 1 is a side elevation of the door part of a carwith the door in place closing the opening. Fig. 2 is a crosssectionshowing the door at the left opening in place to close the opening andthe door at the right swung to permit the escape of a load, and it showsin dotted lines the door swinging to its out-of-the-way position. Fig. 3is a plan of the closed door. Fig. 4 is a detail of a bolt-actuatinglever. Fig. 5 is a detail of the catch which holds the bolt-actuatinglever. Fig. 6 is a section showing the junction between the main part ofthe door and an auxiliary door used with it.

A indicates the car with door-opening B.

2 and 3 indicate the posts at the sides of the door-opening.

4 indicates the roof of the car. the ioor.

O indicates the sliding-door, hung at the outside of the car.

Across the car are drawn (for each door) two rods, one of which is seenat 7 in Fig. 2. The two rods are parallel and extend from the top of thedoor-opening across the car to 5 indicates Ihe opposite side and to thetop of the plate just under the roof, preferably having a slight upwardslant from the door to the opposite side of the car. These rods arestrained tightly and are of sufcient strength to sustain the weight ofthe door next to be described.

From the rod 7 is suspended a door by means of hangers S. Each hangerissuspended from the rod 7 by a link 9, and it is connected to the door 10by binding-eyes 11 12. These may be screw-eyes, but are preferablyplates provided with eyepieces, and are arranged to be held by boltsthat pass through the door 10 and are secured on the opposite side ofthe door by rivets or by nuts. The door itself is made of any suitablematerial and is of a horizontal length to engage closely between thedoor-posts 2 and 3, being so short that it will swing freely through theopening between them. The hangers 8 can also swing freely through thedoor-opening. On each end of the door and on the outside thereof is aplate 13, that constitutes a bolt. Each plate 13 extends verticallyacross the entire width of the door, which is preferably made in twosections, as will be described later. The plate is provided withbrackets 14, and each plate, with its bracket, is secured to the door bybolts which pass through slots in the plate. The slots are arranged toallow the plate to slide, so that each plate may extend beyond the endof the door or maybe retracted to a position such that it does notlengthen the door. The two plates 13 are each connected to a rock-lever15 by links 16. The rock-lever 15 is pivotally connected to the middleof the door by pivots 17 and is pivotally connected to each link 16, andeach link 16 is pivotally connected to the bracket of the bolt-platewhich it serves to actuate. The rock-lever 15 is provided with anactuatinghandle 18, by means of which it can be turned on its pivot, andthe lever is arranged to be locked and held by a catch 19. The catch 19may be of any suitable form; but a desirable form is shown in Fig. 5 andconsists of a clevis-shaped or staple-shaped catch with an eye at theend of each branch and which is itself held to the door by staples 20,driven into the door over the cross-bar of the clevis.

A pin 21, fastened to the door by a short IOO chain, is slipped throughthe eyes of the clevis with the handle-bar of the rock-lever engagedbetween the branches of the elevis and under the pin.

There is preferably an auxiliary section to the door held by bolt-eyesl2 to the hanger S. The auxiliary section D and the section l0 of -thedoor are both arranged to slide on the hangers 8, and the hanger 8 isprovided with a head underneath the lower bolt-eye 1l to prevent theescape of the door lO therefrom. The section D of the door is providedwith an overhanging lip 22 at each end, which engages over thebolt-plate 13, but does not interfere with the sliding action of thebolt-plate. To each post and on the inside thereof is secured a verticalplate 24, with a lip part 25, which extends oblquely outward to allowthe boltplate 13 to engage between the post and the The door is securedin position by swinging it in until the bolt-plates register properlywith the lip-plates 24, and the lever l5 is then turned to force thebolt-plate beyond the ends of the door and into engagement between thelip-plates and the post, and the lever is then locked in position andthe door is secured. The upper section D may be lifted, sliding on thehangers 8 and leaving an opening between itself and the lower section ofthe door for the insertion of the spout of a grainloader, and after thecar has been loaded the upper section drops or is pushed down toengagement with the lower section. Preferably the top edge of the lowersection is grooved with a groove 26, and a tongue 27, inserted in thelower edge of the upper section D, engages in the groove, making a tightjoint.

The door is easily opened by reti-acting the bolt-plates 13 by means ofthe lever l5 and when freed will swing outward easily to allow for thefirst part of the unloading of a car. The door may be now immediatelystored in the top of the car by pushing the ring 9 along the track-rod 7until the lower edge has traveled far enough upward and inward to allowit to be swung up and caught. The door may be raised directly upward andalong the rod 8 to drop down through the eyebolts 1l and l2.

It it is desired to swing both the right and the left hand door up tothe top of the car at the same time, the hangers of one should be runacross the car until they engage with the rods nearly over the hangersof the second door. Then one doormay be swung up underneath the otherand secured by any suitable fastening device.

The rod 7 engages through two eye-plates on the main section of thedoor, making it substantially rigid with the door, but capable ofsliding to shorten the distance between the top of the rod and the topof the door.

What I claim isl. In combination with suspension-rods arranged acrossthe top of the car, hangers suspended therefrom to swing freely throughthe door-opening, a door having a length to swing freely between thedoor-posts connected to said hangers and provided with extensionbolt-plates, and holding-plates engaged to the door-posts arranged toengage the bolt-plates of the door, substantially as described.

2. The combination of a suspended swinging door provided with slidablebolt-plates and with means for actuating said bolt-plates,suspension-rods, track-rods arranged to sustain the suspension -rods toswing through the door-opening, substantially as described.

3. In a combination with a main door-section,extension bolt-plates heldthereto, means for actuating the extension bolt-plates, swinging hangersarranged to sustain the door and to swing through the door-opening, andan auxiliary section engaging on the hangers above the main section andarranged to slide on said hangers, substantially as described.

et. The combination of the posts of a doorway, a suspended door,suspension-rods engaging through two eyebolts on said door and arrangedto swing through the door-opening,` track-rods along which thesuspensionrods travel, and vmeans for bolting the door, substantially asdescribed.

In testimony whereof I sign this specification in the presence of twoWitnesses.

JOHN MONTGOMERY.

Witnesses:

M. A. OoLLvER, TOM. J. AGAR.

